Insights into the s-process and r-process as revealed by globular clusters

Details Insights into the s-process and r-process as revealed by globular clusters Insights into the s-process and r-process as revealed by globular clusters

Mar 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010iaus..265...54y&link_type=abstract

Chemical Abundances in the Universe: Connecting First Stars to Planets, Proceedings of the International Astronomical Union, IAU

Astronomy and Astrophysics

Astronomy

Galaxy: Abundances, Globular Clusters: Individual (M4, M5, M13), Stars: Abundances

Scientific paper

We present abundance measurements for a large number of neutron-capture elements in giant stars of the globular clusters M4, M5, and M13. The relative abundance ratios differ between all three clusters. For all clusters, we find that the mean abundances for the elements from Ba to Hf can be well explained by scaled versions of the solar s- and r-process abundances, albeit with different mixtures of s- and r-process material for each clusters.

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